PhotosynthesisBy Lorelei

I teach Photosynthesis to my 4th graders and compare it to making sugar cookies. I tell them that they need certain ingredients to make cookies and you need certain ingredients to make Photosynthesis happen. We list the "ingredients" and then I compare the sun (light) for Photo to the heat of the oven (since you need light for Photosynthesis to get going and you need the oven for the cookies to bake.)

So once the cookies bake, you have the final product...well in Photosynthesis once the process takes place the end result is sugar(cookie) and oxygen. I tell the students that when you make cookies you can smell them. The smell eventually goes away...I compare that to Oxygen being made but it is a waste product..it doesn't stay.